Company NameRanflex Metals
EspaolFrançaisDeutschItalianoPortuguês
Ranflex Metals Home / Corporate Info / Quality / Infrastructure / Products / Clientele / Group Sites Ranflex Metals
Ranflex Metals Downloads / Technical Info / Faq's / Contact Us / Query
Products Ranflex Metals
Ranflex Metals Ranflex Metals
Fasteners Internal Threads Stainless Steel Fasteners
Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted. 2Square machine screw nuts shall have tops and bottoms flat, without chamfer. The bearing surface shall be perpendicular to the axis of the threaded hole pitch cylinder within a tolerance of 4 deg.

Send Enquiry
Nuts
Nominal Size & Threads / Inch & Series Designation Allowance Minor Diameter Pitch Diameter Major Diameter
Min. Max. Min. Max. Tolerance Min.
0-80
1-64
1-72
2-56
2-64
UNF
UNC
UNF
UNC
UNF
0.0005
0.0006
0.0006
0.0006
0.0006
0.0465
0.0561
0.0580
0.0667
0.0691
0.0514
0.0623
0.0635
0.0737
0.0753
0.0519
0.0629
0.0640
0.0744
0.0759
0.0542
0.0655
0.0665
0.0772
0.0786
0.0023
0.0026
0.0025
0.0028
0.0027
0.0600
0.0730
0.0730
0.0860
0.0860
3-48
3-56
4-40
4-48
5-40
UNC
UNF
UNC
UNF
UNC
0.0007
0.0007
0.0008
0.0007
0.0008
0.0764
0.0797
0.0849
0.0894
0.0979
0.0845
0.0865
0.0939
0.0968
0.1062
0.0855
0.0874
0.0958
0.0985
0.1088
0.0885
0.0902
0.0991
0.1016
0.1121
0.0030
0.0028
0.0033
0.0031
0.0033
0.0990
0.0990
0.1120
0.1120
0.1250
5-44
6-32
6-40
8-32
8-36
UNF
UNC
UNF
UNC
UNF
0.0007
0.0008
0.0008
0.0009
0.0008
0.1004
0.104
0.111
0.130
0.134
0.1079
0.114
0.119
0.139
0.142
0.1102
0.1177
0.1218
0.1437
0.1460
0.1134
0.1214
0.1252
0.1475
0.1496
0.0032
0.0037
0.0034
0.0038
0.0036
0.1250
0.1380
0.1380
0.1640
0.1640
10-24
10-32
12-24
12-28
1/4-20
UNC
UNF
UNC
UNF
UNC
0.0010
0.0009
0.0010
0.0010
0.0011
0.145
0.156
0.171
0.177
0.196
0.156
0.164
0.181
0.186
0.207
0.1629
0.1697
0.1889
0.1928
0.2175
0.1672
0.1736
0.1933
0.1970
0.2224
0.0043
0.0039
0.0044
0.0042
0.0049
0.1900
0.1900
0.2160
0.2160
0.2500
1/4-28
5/16-18
5/16-24
3/8-16
3/8-24
UNF
UNC
UNF
UNC
UNF
0.0010
0.0012
0.0011
0.0013
0.0011
0.211
0.252
0.267
0.307
0.330
0.220
0.265
0.277
0.321
0.034
0.2268
0.2764
0.2854
0.3344
0.3479
0.2311
0.2817
0.2902
0.3401
0.3528
0.0043
0.0053
0.0048
0.0057
0.0049
0.2500
0.3125
0.3125
0.3750
0.3750
7/16-14
7/16-20
1/2-13
1/2-20
9/16-12
UNC
UNF
UNC
UNF
UNC
0.0014
0.0013
0.0015
0.0013
0.0016
0.360
0.383
0.417
0.446
0.472
0.376
0.395
0.434
0.457
0.490
0.3911
0.4050
0.4500
0.4675
0.5084
0.3972
0.4104
0.4565
0.4731
0.5152
0.0061
0.0054
0.0065
0.0056
0.0068
0.4375
0.4375
0.5000
0.5000
0.5625
9/16-18
5/8-11
5/8-18
3/4-10
3/4-16
UNF
UNC
UNF
UNC
UNF
0.0014
0.0016
0.0014
0.0018
0.0015
0.502
0.527
0.565
0.642
0.682
0.515
0.546
0.578
0.663
0.696
0.5264
0.5660
0.5889
0.6850
0.7094
0.5323
0.5732
0.5949
0.6927
0.7159
0.0059
0.0072
0.0060
0.0077
0.0065
0.5625
0.6250
0.6250
0.7500
0.7500
7/8-9
7/8-14
1-8
1-12
1-14
UNC
UNF
UNC
UNF
UNS
0.0019
0.0016
0.0020
0.0018
0.0017
0.755
0.798
0.865
0.910
0.923
0.778
0.814
0.890
0.928
0.938
0.8028
0.8286
0.9188
0.9459
0.9536
0.8110
0.8356
0.9276
0.9535
0.9609
0.0082
0.0070
0.0088
0.0076
0.0073
0.8750
0.8750
1.0000
1.0000
1.0000
11/8-7
11/8-8
11/812
11/4-7
11/4-8
UNC
UN
UNF
UNC
UN
0.0022
0.0021
0.0018
0.022
0.0021
0.970
0.990
1.035
1.095
1.115
0.998
1.015
1.053
1.123
1.140
1.322
1.0438
1.0709
1.1572
1.1688
1.0416
0.0528
1.0787
1.668
1.1780
0.0094
0.0090
0.0078
0.0096
0.0092
1.1250
1.1250
1.1250
1.2500
1.2500
11/4-12
1 3/8-6
1 3/8-8
1 3/8-12
11/2-6
UNF
UNC
UN
UNF
UNC
0.0018
0.0024
0.0022
0.0019
0.0024
1.160
1.195
1.240
1.285
1.320
1.178
1.225
1.265
1.303
1.350
1.1959
1.2667
1.2938
1.3209
1.3917
1.2039
1.2771
1.3031
1.3291
1.4022
0.0080
0.0104
0.0093
0.0082
0.0105
1.2500
1.3750
1.3750
1.3750
1.5000
11/2-8
11/2-12
1 5/8-8
1 3/4-5
1 3/4-8
UN
UNC
UN
UNC
UN
0.0022
0.0019
0.0022
0.0027
0.0023
1.365
1.410
1.490
1.534
1.615
1.390
1.428
1.515
1.568
1.640
1.4188
1.4459
1.5438
1.6201
1.6688
1.4283
1.4542
1.5535
1.6317
1.6786
0.0095
0.0083
0.0097
0.0116
0.0098
1.5000
1.5000
1.6250
1.7500
1.7500
1 7/8-8
2-41/2
2-8
2 1/4-4.5
2 1/4-8
UN
UNC
UN
UNC
UN
0.0023
0.0029
0.0023
0.0029
0.0024
1.740
1.759
1.865
2.009
2.115
1.765
1.795
1.890
2.045
2.140
1.7938
1.8557
1.9188
2.1057
2.1688
1.8038
1.8681
1.9289
2.1183
2.1792
0.0100
0.0124
0.0101
0.0126
0.0104
1.8750
2.0000
2.0000
2.2500
2.2500
2 1/2-4
2 1/2-8
2 3/4-4
2 3/4-8
3-4
UNC
UN
UNC
UN
UNC
0.0031
0.0024
0.0032
0.0025
0.0032
2.229
2.365
2.479
2.615
2.729
2.267
2.390
2.517
2.640
2.767
2.3376
2.4188
2.5876
2.6688
2.8376
2.3511
2.4294
2.6013
2.6796
2.8515
0.0135
0.0106
0.0137
0.0108
0.0139
2.5000
2.5000
2.7500
2.7500
3.0000
3-8
3 1/4-4
31/4-8
3 1/2-4
31/2-8
UN
UNC
UN
UNC
UN
0.0026
0.0033
0.0026
0.0033
0.0026
2.865
2.979
3.115
3.229
3.365
2.890
3.017
3.140
3.267
3.390
2.9188
3.0876
3.1688
3.3376
3.4188
2.9299
3.1017
3.1801
3.3519
3.4303
0.0111
0.0141
0.0113
0.0143
0.0115
3.0000
3.2500
3.2500
3.5000
3.5000
3 3/4-4
3 3/4-8
4-4
4-8
UNC
UN
UNC
UN
0.0034
0.0027
0.0034
0.0027
3.479
3.615
3.729
3.865
3.517
3.640
3.767
3.890
3.5876
3.6688
3.8376
3.9188
3.6021
3.6805
3.8523
3.9307
0.0145
0.0117
0.0147
0.0119
3.7500
3.7500
4.0000
4.0000
Ranflex Metals
Home | Corporate Info | Quality | Infrastructure | Products | Clientele | Group Sites | Downloads | Technical Info | Faq's | Contact Us | Query